In vitro bacterial penetration of coronally unseal...[J Endod. 1990]

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1: J Endod. 1990 Dec;16(12):566-9.Links

In vitro bacterial penetration of coronally unsealed endodontically treated teeth.

Torabinejad M, Ung B, Kettering JD.

Loma Linda University School of Medicine, CA.

Forty-five root canals were cleaned, shaped, and then obturated with gutta-percha and root canal sealer, using a lateral condensation technique. The coronal portions of the root filling materials were placed in contact with Staphylococcus epidermidis and Proteus vulgaris. The number of days required for these bacteria to penetrate the entire root canals was determined. Over 50% of the root canals were completely contaminated after 19-day exposure to S. epidermidis. Fifty percent of the root canals were also totally contaminated when the coronal surfaces of their fillings were exposed to P. vulgaris for 42 days.

PMID: 2094758 [PubMed - indexed for MEDLINE]

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In vitro bacterial penetration of coronally unsealed endodontically treated teeth.In vitro bacterial penetration of coronally unsealed endodontically treated teeth.

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In vitro bacterial penetration of coronally unsealed endodontically treated teeth.

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